Mid-Level Network Security Engineer

JR United Kingdom; City Of London; On-site; GBP 55,000 - 72,000; Full time

Job summary

A global energy and commodities business seeks a Mid-Level Network Security Engineer in London. This role involves managing network security technologies and infrastructure while upholding IT security standards. The ideal candidate will have extensive experience with Checkpoint and Cisco technologies, and a commitment to enhance security across the organization. A competitive salary, performance bonus, and a London travel allowance are offered.

Benefits

Discretionary performance bonus

£6,000 London travel allowance

Private medical insurance (single cover)

Life assurance (4x basic salary)

Business and leisure travel insurance

Qualifications

• Experience with Checkpoint firewalls and Cisco routers/switches.
• Background in supporting Windows Server, Linux, Active Directory, and Exchange.
• Exposure to security tools like Okta and Mimecast.

Responsibilities

• Manage and maintain Checkpoint firewalls and Cisco network infrastructure.
• Support Cisco ISE and Zscaler Internet/Private Access solutions.
• Contribute to IT security prevention and awareness initiatives.

Skills

IT security practices

Network infrastructure management

Cisco networking

Checkpoint firewall management

Zscaler solutions

Education

Cisco CCNA/CCNP certification or equivalent

Tools

Cisco ISE

Splunk

VMware

Rubrik

CUCM

Job description

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Mid-Level Network Security Engineer, london (city of london)

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Client:

Harrington Starr

Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

4

Posted:

26.06.2025

Expiry Date:

10.08.2025

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Job Description:

Mid-Level Network Security Engineer

Location: London (Moorgate) | 4 Days Onsite Per Week

A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide range of infrastructure and network technologies.

Key Responsibilities:

• Manage and maintain Checkpoint firewalls and Cisco network infrastructure
• Support Cisco ISE and Zscaler Internet/Private Access solutions
• Manage Data Centre colocation and vendor relationships
• Contribute to IT security prevention and awareness initiatives
• Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE
• Experience with Zscaler (ZIA/ZPA), Splunk
• Strong understanding of IT security practices
• Cisco CCNA/CCNP certification or equivalent
• Background in supporting Windows Server, Linux, Active Directory, and Exchange
• Familiarity with VMware, VxRail, Rubrik, and backup/recovery processes
• Exposure to CUCM, LogicMonitor, Mimecast, Okta, and other security tools

Benefits Package Includes:

• Competitive salary (up to £72,000 depending on experience)
• Discretionary performance bonus
• £6,000 London travel allowance
• Private medical insurance (single cover)
• Life assurance (4x basic salary)
• Business and leisure travel insurance

This is a great opportunity to join a high-performing team within a prestigious international business. If you're looking for your next challenge in network security, apply now or get in touch to find out more.

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